Sight-feed lubricator



(No Model.) v W1. S. ASHTON.

\ SIGHT REED LUB R1GATOR,

No. 471,934. "Patented Mar.29,189.2.v

W WW M@ u ma cams uns co., muro-ums.. wAsumcmw, u4 c,

UNITED STATES PATENT OFFICE.

WALTER S. ASHTON, OF ST. LOUIS, MISSOURI.

SIG HT-FEED LUBRICATOR.

SPECIFICATIO forming part of Letters Patent No. 471,934, dated March 29,1892.

Application filed December 23, 1890. Serial No. 375,580. (No model.)

To a/ZZ whom it may concern.:

Be it known that I, WALTER S. ASHTON, of the city of St. Louis, in theState of Missouri, have invented a certain new and useful ImprovementinSight-Feed Lubricators, of which the following is a full, clear, andexact description, reference beinghad to the accompanying drawings,forming part of this specication.

My invention relates to sght-feedin g lubricators, and the princi palobject of my invention is the heating of the oil toinsure its freepassage; and my invention consists in features of novelty hereinafterfully set forth, and pointed out in the claims.

In the drawings, Figure I is a side elevation. Fig. II is a verticalsection. Fig. IIIis a cross-section taken .on line III III, Fig. II.

Referring to the drawings, 1 represents a pipe leading from thelubricator to the part of the machinery tobe lubricated. This pipe lextends horizontally a short distance and then upwardly, and on itsupper end has eX- tensions 2 and 3. The extension 2 Vis provided with avalve 4, that controls the opening in the upper end of the pipe l. TheeX- tension 3 has ports 5 and 6 leading to the condenser 7. The steamasit enters through the pipe l passes through the port 5 and up into thecondenser, as indicated by the featherless arrows, and the oil afterpassing up through the sight-feed tube flows out through the port 6 anddown through the pipe l, as indicated by the full arrows.

8 represents the sight-feed tube, having the usual nipple 9 at its lowerend and being located close up against the vertical part of the pipe l,so as to be warmed thereby to heat the oil.

l0 is a valve for regulating the How or oil into the feed-tube. Theseparts may be of ordinary construction, as I do not claim any novelty inthem.

ll represents a port traversing the pipe l,

and to which the oil-supply pipe is connected. The object of thisarrangement is to cause the oil to pass through a port in contact with asteam-pipe, and thereby heat the oil and prevent it in cold weather fromcongealing and becoming clogged in its passage through the feed-tube. Byreason of the two ports 5 and 6 the passage of the steam into thecondenser 7 does not interfere with the passage of the oil from thefeed-tube, and the steam, not coming in contact with the outtlowing oil,reaches the chamber 7 before any condensation takes place.

A lubricator Vthus formed is cheap and has the advantages of keeping theoil warm and affording a free and unobstructed passage to the oil fromthe sight-feed tube.

I claim as my invention- 1. In a sight-feed lubricator, the combinationof the condenser 7, the steam-pipe l, communicating with the condenserthrough the separate ports 5 and 6, and the oil-feed tube communicatingwith the condenser through the sight-tube,said oil-feed tube havingaportion of its length located entirely within and parallel with thesteam-pipe before it reaches the condenser.

2. In a sight-feed lubricator, the combination of the condenser 7, thehorizontal and vertical steam-pipe 1, communicating at its upper endwith said condenser 7 through ports 5 and 6, the sight-feed tube Sparallel with the vertical portion of said steam-pipe l andcommunicating with said condenser below the ports 5 and 6,and the portsll,located within the horizontal portion of the steam-pipe andtermina-ting in the vertical nipple 9 in the lower part of saidsight-feed tube 8, all substantially as and for the purposes set forth.

WALTER S. ASHTON.

In presence ofw E. S. KNIGHT, A. M. EEERsoLE.

